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Recombinant Human IL-21 Protein, HPLC-verified

Recombinant Human IL-21 Protein, HPLC-verified

Item no.	10584-HNAE-1
Manufacturer	Sino Biological
Amount	1 mg
Quantity options	1 mg 10 ug 100 ug 2 mg 20 ug 4 mg 5 ug 500 ug
Category	Peptides & Proteins Recombinant Proteins Cell Biology Cell Culture Cytokines
Type	Proteins
Specific against	Human (Homo sapiens)
Purity	> 92 % as determined by SDS-PAGE
Sequence	Gln23-Ser155
ECLASS 10.1	32160409
ECLASS 11.0	32160409
UNSPSC	12352202
Alias	CVID11,IL-21,Za11
Similar products	IL21
Available
Manufacturer - Type	Protein
Manufacturer - Conjugate / Tag	Native
Shipping Temperature	In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature. Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
Storage Conditions	Store it under sterile conditions at -20C to -80C. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Antigen molecule name	IL21
Protein Construction	A DNA sequence encoding the mature form of human IL-21 isoform 1 (Q9HBE4-1) (Gln 23-Ser 155) was expressed and purified, with an initial Met.
Expressed Host	E.coli
Bio-Activity	1. Measured by its ability to bind human IL-21R in a functional ELISA. 2. Measured by its ability to induce Interferon-gamma secretion by human natural killer lymphoma NK-92 cells. The ED50 for this effect is typically 0.4-2 ng/ml.
Endotoxin	Please contact us for more information.
Predicted N Terminal	Met
Molecule Mass	The recombinant human IL-21 consisting of 134 amino acids and has a calculated molecular mass of 15.6 kDa. It migrates as an approximately 17 kDa band in SDS-PAGE under reducing conditions.
Formulation	Lyophilized from sterile 20mM NaAc, 150mM NaCl, pH 5.5

Note: The presented information and documents (Manual, Product Datasheet, Safety Datasheet and Certificate of Analysis) correspond to our latest update and should serve for orientational purpose only. We do not guarantee the topicality. We would kindly ask you to make a request for specific requirements, if necessary.

All products are intended for research use only (RUO). Not for human, veterinary or therapeutic use.

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